Seiko Cal. 5668 - 726

This Hand-Winding model from 1979 features a 39mm PVD Black case. Powered by the 5668 caliber with 20j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-16661e386ff4]

Also known as: World Timer, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1979

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